Home / 27,192.60-37,564.02-20,984.76

Finding the Fourth Proportional to 27,192.60, 37,564.02 and 20,984.76

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Solution

The fourth proportional to 27,192.60, 37,564.02 and 20,984.76 is: 28,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192.60 : 37,564.02 = 20,984.76 : x
  2. Step 2: Convert to fraction form
    27,192.60/37,564.02 = 20,984.76/x
  3. Step 3: Cross multiply
    27,192.60x = 37,564.02 × 20,984.76
  4. Step 4: Simplify right side
    27,192.60x = 788,271,944.34
  5. Step 5: Solve for x
    x = 788,271,944.34/27,192.60
  6. Step 6: Final answer
    x = 28,988.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.